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pointer-to-specialstring

时间: 2023-10-09 15:05:21 浏览: 98

Pointer-to-specialstring is a programming concept that involves using a pointer to reference a special string in memory. In C and C++ programming languages, a string is represented as an array of characters terminated by a null character ('\0'). When working with strings, a pointer-to-specialstring can be used to reference a specific substring within a larger string. This is accomplished by creating a pointer that points to the memory location of the first character in the substring. The pointer can then be used to manipulate the substring or pass it as an argument to a function. For example, consider the following code snippet: ``` char str[] = "Hello, world!"; char* substr = &str[7]; // points to the substring "world!" printf("%s", substr); // prints "world!" ``` In this example, the pointer `substr` is created to reference the memory location of the first character in the substring "world!". The pointer is then used to print the substring to the console.

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